Music, asked by arpita4934, 11 months ago

Please do not send unnecessary messages if you do not know the answer

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Answered by maaahi

2

Answer:

SI =PRT/100

Explanation:

i)400 x 5 x 3 / 100

= 60 %

ii) 450 x 9/2 x 3.4 /100

68.85

I think you can do the rest on your own :)

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